Book excerpt: This book examines the behavioural dimensions of global and regional environmental problems such as the greenhouse effect, ozone depletion, deforestation, air pollution, and water pollution. The book asks: What does our knowledge of human behaviour tell us about the root causes of environmental problems and about strategies for solving them? Gardner and Stern seek to answer these questions by presenting a new synthesis of relevant research findings and theories from psychology, the other behavioural and social sciences, and other disciplines.